diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index 7028df6..3e11e75 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -10,7 +10,7 @@ use OwenIt\Auditing\Models\Audit;
 class CourseSign extends SoftDeletesModel
 {
     // 统计接口缓存时间（秒）
-    const CACHE_TIME_STATISTICS = 0; // 临时关闭统计缓存，便于核对数据
+    const CACHE_TIME_STATISTICS = 1; // 临时近实时，避免 0 在部分驱动下被解释为长期缓存
 
     protected $casts = ['file_ids' => 'json', 'fee_file_ids' => 'json', 'data' => 'json', 'change_data' => 'json'];